On 1-May-08, at 10:03 AM, Timo Nentwig wrote:
Hello developers,
I do have enough memory to load the index completely into RAM but
can't live
with the fact that it takes multiple minutes to do so.
So I can up with the idea of implementing a RAMDirectory proxy that
does the
Directory.copy() asyncronously and while not finished delegating to
the
FSDirectory.
Does somebody already have done this or is this for some reason a
bad idea to
do?
Is it a bad idea? Well, there is a version of Directory that lazily-
loads only needed parts of the index in memory, eventually storing the
whole index there given enough ram. It's called FSDirectory :)
Depending on how tightly your RAMDirectory fits in memory, you might
find that the FSD gets memory-starved before the RAMDir has finished
loading and suffer horrible performance as a consequence.
-Mike
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